Don't require webmock unless OAuth2MACClient is used

Closes #89

Author: oestrich

Gemfile.lock

@@ -7,7 +7,6 @@ PATH
       json (>= 1.4.6)
       mustache (>= 0.99.4)
       rspec (>= 2.14.0)
-      webmock (>= 1.7.0)
 
 GEM
   remote: http://rubygems.org/
@@ -105,3 +104,4 @@ DEPENDENCIES
   rake
   rspec_api_documentation!
   sinatra
+  webmock (>= 1.7.0)

lib/rspec_api_documentation/dsl/resource.rb

@@ -23,7 +23,11 @@ def self.define_action(method)
       define_action :patch
 
       def callback(*args, &block)
-        require 'webmock'
+        begin
+          require 'webmock'
+        rescue LoadError
+          raise "Callbacks require webmock to be installed"
+        end
         self.send(:include, WebMock::API)
 
         options = if args.last.is_a?(Hash) then args.pop else {} end

lib/rspec_api_documentation/oauth2_mac_client.rb

@@ -3,8 +3,16 @@
 rescue LoadError
   # ActiveSupport::SecureRandom not provided in activesupport >= 3.2
 end
-require "webmock"
-require "rack/oauth2"
+begin
+  require "webmock"
+rescue LoadError
+  raise "Webmock needs to be installed before using the OAuth2MACClient"
+end
+begin
+  require "rack/oauth2"
+rescue LoadError
+  raise "Rack OAuth2 needs to be installed before using the OAuth2MACClient"
+end
 
 module RspecApiDocumentation
   class OAuth2MACClient < ClientBase

rspec_api_documentation.gemspec

@@ -17,7 +17,6 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency "activesupport", ">= 3.0.0"
   s.add_runtime_dependency "i18n", ">= 0.1.0"
   s.add_runtime_dependency "mustache", ">= 0.99.4"
-  s.add_runtime_dependency "webmock", ">= 1.7.0"
   s.add_runtime_dependency "json", ">= 1.4.6"
 
   s.add_development_dependency "fakefs"
@@ -27,6 +26,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "rake"
   s.add_development_dependency "rack-test", ">= 0.6.2"
   s.add_development_dependency "rack-oauth2", ">= 0.14.4"
+  s.add_development_dependency "webmock", ">= 1.7.0"
 
   s.files        = Dir.glob("lib/**/*") + Dir.glob("templates/**/*")
   s.require_path = 'lib'